How to Configure Cisco Routers as Frame Relay Switch (FRS)?

Students and People who are preparing for the CCNA Exam often need to have a frame relay switch in their lab to practice for the Frame-Relay. How to configure Frame-Relay Switching on a Cisco Router? The following details and steps with topology diagram will explain the configuration.

In the following example we will take four routers R1, R2, R3 and R4 . The Router R2 will be working as the Frame relay Switch. Now open the GNS3 Simulator and create the following topology with the help of four Routers.

NOTE: Remember to create topology using only serial cables because Frame-Relay is a WAN technology and works only on wan links. Now open the console of Router R2 and start configuring it for Frame-Relay with the commands given below.

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